[MEncoder-users] Audio sync problems

Rich Felker dalias at aerifal.cx
Fri Dec 2 20:13:46 CET 2005


On Fri, Dec 02, 2005 at 09:00:29AM +0100, Fredrik Eriksson wrote:
> >Bad points 2. seems to be caused by vfw mode. Is there any way to
> >enable other modes in MEncoder?
> > 
> >
> I've been wondering about the same thing myself:
> 
> mencoder-cvs -ffourcc avc1 -of lavf -lavfopts format=mp4 dvd://2 
> -chapter 1-1 -vf pullup,softskip,crop=704:480:10:0,harddup -ofps 
> 24000/1001 -nosound -ovc x264 -x264encopts 
> bitrate=1330:keyint=300:frameref=15:bframes=16:qp_max=40:qp_step=5:qcomp=0.7:weight_b:4x4mv:8x8dct:me=3:me_range=20:subq=6:pass=3 
> -o CCS.try1.mp4

This is hopeless. mencoder knows nothing about pts, and thus lavf
muxing can NEVER work in the presence of B frames. We really need to
forcibly disable this since it's generating CORRUPT files. The only
solution is using rawvideo.

Rich




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